What is the difference between .m4b and .opus?
- Extension
- .m4b
- .opus
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Apple
- Xiph.Org
- Description
- It is an audiobook file compressed using .AAC algorithm based on MPEG-4 container format. It is similar to .M4A file but its denoted as an audiobook and supporting audio players can bookmark it.
- An OPUS file is an audio file created in the Opus format (also called "Ogg Opus"), a lossy audio format developed for Internet streaming. It uses both SILK (used by Skype) and CELT (from Xiph.Org) codecs and supports variable bit rates from 6 kb/s to 510 kb/s.
- MIME Type
- audio/x-m4a
- audio/opus
- Sample
- sample.m4b
- sample.opus
- Wikipedia
- .m4b on Wikipedia
- .opus on Wikipedia